Vania



A. J. ROBERTS.

GARBAGE INCINEBATOR.

APPLICATION FILED Nov-5,191.5.

1,337,668. Patented Apr. 20, 1920.

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GARBAGE INCINERATOR.

APPLICATION FILED NOV. 5, 1915.

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ALBERT J. ROBERTS, O1? PITTSBURGH, PENNSYLVAIIIA, ASSIG-NOR T9PITTSBURGH GARBAGE INCINERATION (30., INEQRPORATED, PI'ITEiBURGTT,PENNSYL- VANIA.

GAflBAGE-INCINERATUR.

Specification of Letters Patent. Patented Apr. 20, 192%.

Application filed November 5, 1915. Serial 11o. 59,809.

T 0 all whom it may concern:

Be it known that I, ALBERT J. ROBERTS, a citizen of the United States,residing at Pittsburgh, in the county of Allegheny and State ofPennsylvania, have invented new and useful Improvements inGarbage-Incinerators, of which the following is a specific cation. I

My invention relates to improvements in garbage consumers orincinerators.

An important object of the invention is to provide apparatus of theabove mentioned character, which will thoroughly burn the garbage in anexpeditious manner, and which is highly convenient in use. v

Other objects and advantages of the invention will be apparent duringthe course of the following description.

In the accompanying drawings forming a part of this specification and inwhich like numerals are employed to designate like parts throughout thesame,

Figure 1 is a front elevation of apparatus embodying the invention,

Fig. 2 is a vertical sectional view through the hood, taken on line 22of Fig. i,

Fig. 3 is a detail elevation of a latch included in the apparatus,

Fig. 4i is a central vertical longitudinal sectional view through thecasing with the cage shown in elevation and partly broken away,

Fig. 5 is a horizontal sectional view talten on line 5-5 of Fig. 4E,and,

Fig. 6 is a similar view taken on line 6-6 of Fig. 4.

In the drawings wherein for the pur pose of illustration is shown apreferred embodiment of my invention, the numeral 10 designates apreferably cylindrical vertical body portion of the shell or casing ofthe apparatus, comprising outer and inner casings 11 and 12, which arecylindrical, concentric, and spaced for receiving therebetween packing13, formed of a poor heat conducting material, such as asbestos.

The body portion 10 of the casing is arranged upon a' bottom or' end 11-, which is conical and decreases in diameter downwardly. The upper endof the bottom 1 has a flange 15, bolted or otherwise rigidly attached tothe outer casing 11. At its reduced lower end the bottom 14 has anoutlet coupling 16, for connection with a discharge pipe 17, which maylead to a sewer or the like. The bottom 14 is rigidly mounted upon feet18, which serve to support the entire apparatus.

The numeral 19 designates a conical hood or top, increasing in diameterdownwardly and having a lower flanged end 20, receiving the body portionlO of the casing, to which it is bolted or otherwise rigidly connected.The hood 19 is provided with a line or pipe 21, for the discharge oiprodmts of combustion, as shown.

The numeral 22 designates a tubular grate as a whole, arranged withinthe body portion 10 of the casing. This tubular grate or cage embodiesrings 23, spaced as shown, and held in place by lugs 2 1, rigidlyattached to the inner casing 12. As clearly shown in Fig. 5, these ringsare concentric with relation to the inner casing 11 and are spacedtherefrom, providing an annular passage 25 for the products ofcombustion. Arranged between the rings 23 are spaced vertical bars 26,rigidly secured thereto. These bars are preferably circular incrosssection. The lower tapered end of the tubular grate or cageembodies spaced rods 26, rigidly attached to the lower ring 23, andhaving a bottom ring 27 rigidly secured thereto. The upper tapered endof the grate or cage comprises spaced bars 28, rigidlysecured to theupper ring 23 and having a ring 29 rigidly attached to their upper ends.

Arranged within the hood or top 19 is a cap or housing 30, rigidlysecured to the ring 29, and provided upon one side with an opening forreceiving an inlet chute or tube 31, as more clearly shown in Fig. 2.This chute is provided with a flaring mouth 32, for convenientlyreceiving the garbage to be burned. The chute 31 is adapted to dischargeinto the tubular grate or cage and its lower end is normally closed by adoor 33, hinged thereto shown at 3 1. Pivetally connected with the lowerend of this door is a rack bar 35, operating through openings 36, andextending to the exterior of the hood 19. This rack bar is provided withteeth 87, adapted to receive there between a portion oi a stationarycatch 38, such rack her being normally held in the locked position by apivoted holding segment or member 39.

Arranged within the tubular grate or cage 29. are approximatelysemi-circular memes horizontal battle plates 40, the ends of whichoverlap, as clearly shown in Fig. 5. These balile plates are superposedand are vertically spaced, as shown. The battle plates serve to cause amore complete circulation or" the products of combustion and heatedgases, when passing through the tubular grate or cage.

In order that access may be had to the interior of the tubular grate orcage 22, the same is provided with an opening, normally covered by aslide door ll, operating in guides d2, attached to the exterior of therods 22. The body portion of the casing 10 is provided with an openingarranged adjacent and in register with the opening covered by the door41, and this last named opening may be normally closed by horizontallyswinging doors L3. Ihe body portion 10 is provided adjacent its bottomwith a se.ond opening, normally closed by horizontally swinging doors al.

Extending through openings at in the body portion 10 are sets of gasburners d6, receiving gas from pipes l7. These burners are arranged tointroduce their flames into the body portion 10, adjacent the lower endof the tubular grate or cage 22. a6 designates guards for the burners.

Arranged near and below the ring 27 is a circular grate a8, pivotallysupperteti between its ends, as shown at as. Any suitable means may beemployed to normally hold the grate in the horizontal position, and toturn it for dumping.

Arranged beneath the grate d8 is an ash receiving receptacle 50, held inplace by any suitable means. This receptacle has a foraminous bottom 51,which may be formed of screening. Surrounding the receptacle 50, inproximity thereto, is an apertured annular pipe 52, to spray water uponthe bottom 1% and by'the rebound from the bottom upon the foraminousmaterial 51, thus vashing the ashes or the like from these parts, suchashes passing through the coupling and pipe 17. Connected with theperforated pipe 52 is a pipe 53, having communication with a source ofwater and ,provided with a cut off valve 54.

The operation or". the appa atus is as follows:

The bitirners it; are operated in the usual manner, and the door may besuitably opened, for receiving garbage or the like fed in through thechute 31. This garbage pa, es into the tubular grate or cage 22, and isthere subjectedto the a tion of the heat, whereby it is burned. Theproducts of combustion travel upwardly exteriorly and interiorly or thetubular grate, and

discharge through the tube 21.. .lhe ashes pass through the grate 4-8 ormay be dumped therefrom, and discharge into the receptacle 50. The waterfrom the tube :32 sprays rpon thc bottom 51 and the bottom ll, andwashes the ashes into the coupling lo and pipe 17. This will be betterunderstood when it is stated that the streams of water do not passdirectly from the apertures in the tube 52 to the :lioraininous bottom51. On the other hand, the streams o l water iii-s11 strike the bottomit and rebounding there from come in contact with bottom 51 for thepurpose stated.

It is to be understood that the form oi? my invention herewith shown anddescribed is to be taken as a preferred example oi' the same, and thatvarious changes in the shape, size, and arrangement ol. purs may beresorted to without departin from the spirit of the invention or thescope of the subj oined claims.

Having thus described the inven l i on, wl i :u' I claim is:

l. A garbage incinerator comprising a cylindrical casing, a cage w'thinthe easing; composed of horizontal rings with vertical bars connected tosaid ring: arcuate br' plates arranged in offset re "ion in said cage, adoorway carried by the cage a door movable in. said doorway, doors ondie. (using registering with said first-nan'ied door, means forintroducing garbage to the inte rior of said cage, and a grate at thebottom of said cage.

2. A garbage incinerator comprising a casing, a cage within the casingcomposed ol a substantially cylindrical. cent 'al portion and conicalend portions, said portions of the cage being formed of horizontal ringsand spaced-apart bars connected with said rings, said casing and cagehaving door controlled openings therein, areuute bullies or ranged inoffset relation in said cage, a housing connecting with the upperportion of said cage, a chute extending through said housing, a door onthe inner end of the chute, means for operating the door and for keepingthe door open or closed, burners arranged to direct theirv flamehorizontally against the lower conica portion oi" the cage, and a gratein the bottom of the lower conical portion of said cage.

In testimony whereof I have hereunto set my hand in. presence of twosubscribing witnesses.

ALBE tl .l. ROBERTS,

Vitnesses W. J. Nrrirn, Tires. Tnnconouniiv.

